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Finding the Fourth Proportional to 475,629.84, 656,368.99 and 260,765.33

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Solution

The fourth proportional to 475,629.84, 656,368.99 and 260,765.33 is: 359,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,629.84 : 656,368.99 = 260,765.33 : x
  2. Step 2: Convert to fraction form
    475,629.84/656,368.99 = 260,765.33/x
  3. Step 3: Cross multiply
    475,629.84x = 656,368.99 × 260,765.33
  4. Step 4: Simplify right side
    475,629.84x = 171,158,272,345.36
  5. Step 5: Solve for x
    x = 171,158,272,345.36/475,629.84
  6. Step 6: Final answer
    x = 359,856.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.